University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter2: Vectors
Section: Chapter Questions
Problem 2.15CYU: Check Your Understanding For the vectors given in Figure 2.13, find the scalar products AB and CF ....
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Please see attached photo. I am confused as to how they got the i value mostly. I think c threw me off ( i used 31cos270 to try to find the value= -31) so please eloaborate on that. I kept getting 33 or 34 for the i value. I got 87 for the j value so I think i did that part correctly?
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